
__author__="jregent"
__date__ ="$18.1.2009 18:11:46$"

#
#  nested.py
#  Copyright, 2007 - Paul McGuire
#
#  Simple example of using nestedExpr to define expressions using
#  paired delimiters for grouping lists and sublists
#

from pyparsing import *
import pprint

data = """
{
     { item1 "item with } in it" }
     {
      {item2a item2b }
      {item3}
     }

}
"""

# use {}'s for nested lists
nestedItems = nestedExpr("{", "}")
print( (nestedItems+stringEnd).parseString(data).asList() )

# use default delimiters of ()'s
mathExpr = nestedExpr()
print( mathExpr.parseString( "(( ax + by)*C) (Z | (E^F) & D)") )